vb.net 绘制sin函数

Public Class Form1



    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint

        Dim G As Graphics

        G = Me.CreateGraphics()

        Dim PS(1000) As Point

        Dim I

        For I = 0 To 1000

            PS(I).X = I

            PS(I).Y = Me.Height / 2 - 10 * Math.Sin(I / 10)

        Next I

        Dim x As Integer = Me.ClientSize.Width / 2

        Dim y As Integer = Me.ClientSize.Height / 2 + 20

        G.DrawLine(Pens.Red, x, 100, x, 200)

        G.DrawLine(Pens.Red, 0, y, 300, y)

        G.DrawLines(Pens.Red, PS)

    End Sub

End Class